GT1 Pro 2012 New BMW Diagnostic Tool is a kind of new product.  Software version: DISV55+SSSV32.  We use USB Moveable Hard Disk, and you can use our TwinB GT1 Pro in desktop and laptop, anywhere you want!  GT1 Pro is very small and convenient to carry. It is very useful for site operation.  For more detail information, please visit shopobd2.com.